4879342 Allicdata Electronics
Allicdata Part #:

P6SMB-A-KIT-ND

Manufacturer Part#:

4879342

Price: $ 34.42
Product Category:

Kits

Manufacturer: Littelfuse Inc.
Short Description: KIT TVS DIODE 600W UNI-DIR SMB
More Detail: TVS Diode Kit 6.8V ~ 550V Breakdown Surface Mount ...
DataSheet: 4879342 datasheet4879342 Datasheet/PDF
Quantity: 3
1 +: $ 31.28580
5 +: $ 27.81070
10 +: $ 24.33440
25 +: $ 23.08290
50 +: $ 20.85800
100 +: $ 19.46750
250 +: $ 18.77220
500 +: $ 18.07690
1000 +: $ 17.38170
Stock 3Can Ship Immediately
$ 34.42
Specifications
Series: P6SMB
Packaging: Plastic Box with Bin Guide
Part Status: Discontinued at Digi-Key
Kit Type: ESD Protection
Quantity: 180 Pieces (36 Values - 5 Each)
Voltage - Breakdown: 6.8V ~ 550V
Mounting Type: Surface Mount
Packages Included: DO-214AA, SMB
Description

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TVS diodes are an important component of circuit protection kits and are widely used in various industrial and consumer applications ranging from consumer electronics and electrical appliances to automotive and industrial machinery. TVS diodes are designed to protect sensitive electronic components from electrical transients, such as those caused by lightning or power failure. These diodes are able to withstand much higher voltage levels than other types of diodes and can quickly move excessive currents away from delicate circuits.

TVS diodes are typically used in series or parallel with an appropriate voltage level. For series connections, the diode is connected in series with the protected circuit, and acts as a protective “valve”, allowing the current to flow only when the voltage of the protected circuit exceeds a certain threshold. For parallel connections, the diode is connected in parallel with ground and helps in dissipating transients or surge currents before they reach the sensitive components.

The 4879342 application field and working principle of the TVS diode is based on the principles of reverse breakdown and avalanche breakdown. Reverse breakdown occurs when the reverse voltage applied to the diode is increased until it reaches a certain threshold or breakdown voltage, which is defined by the diode\'s rating. Once the voltage exceeds the breakdown voltage level, the diode "opens" and any current in the circuit is diverted away from the protected components.

In contrast, avalanche breakdown occurs when enough electric field has built up in the junction region of the diode to cause a cascade of electron-hole pairs. In this breakdown mechanism, the current increases rapidly, creating a large current pulse. This large current is then able to rapidly move away from the delicate circuits and also dissipate the voltage associated with it.

An important feature of TVS diodes is its bidirectional capability, which allows it to protect against both positive and negative voltage transients. In addition to providing protection from transients, they also help reduce EMI interference by blocking the high frequency components in the transient. TVS diodes are also usually faster than other diodes due to their low turn-on voltage, and can typically switch from the off to on state within nanoseconds.

TVS diodes are widely used in automotive, industrial, consumer electronics, and other applications. They are also available in a variety of forms, such as surface mount, axial and through-hole, and provide protection against transients and EMI. Additionally, TVS diodes can be used in combination with other components such as resistors, capacitors, inductors, and ESD protection devices to provide protection from transients and EMI. in more complex applications.

The specific data is subject to PDF, and the above content is for reference

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